›› 2006, Vol. 27 ›› Issue (11): 2005-2010.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Secondary development of a viscoelasto-plastic rheological constitutive model of rock based on FLAC3D

CHU Wei-jiang1, XU Wei-ya1, YANG Sheng-qi1, ZHOU Wei-yuan2   

  1. 1. Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China; 2. Department of Hydraulic and Hydropower Engineering, Tsinghua University, Beijing 100084, China
  • Received:2005-02-02 Online:2006-11-10 Published:2013-12-04

Abstract: Because of the complexity and variety of geotechnical material, the rheology constitutive models put forward by existing FEM software can’t usually satisfy the requirement of actual numerical analysis. In accordance with fundamental code-run-principle of FLAC3D Version 2.1 software, the basic principle of the secondary development program running is made, and detailed analysis combined with the Nishihara viscoelasto-plastic rheological model is given. The program flow diagram on the special execution of Nishihara rheological model and several case technique that should be taken into account in the process of code compiling is given. At the same time, an easy case is used to verify the right and credibility of program compiling. The Secondary development environment is more friendly and effective with the support of object-oriented approach. Therefore, proposed design mode can bring forward references for the secondary development of other rheological models.

Key words: rock mechanics, viscoelasto-plastic rheological model, Lagrangian element method, secondary development, object- oriented approach

CLC Number: 

  • TU 485+.3
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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